STYLE: Replace a zero-filling memset call with {} assignment

Removed an unsafe `(void *)pPar` cast from `PhilipsPAR::ReadPAR`.

Modules/IO/PhilipsREC/src/itkPhilipsPAR.cxx

@@ -522,7 +522,7 @@ PhilipsPAR::ReadPAR(std::string parFile, struct par_parameter * pPar)
   }
 
   // Zero out struct.
-  memset((void *)pPar, 0, sizeof(struct par_parameter));
+  *pPar = {};
   // Need to set strings to UNDEFINED to avoid segmentation faults.
   strcpy(pPar->patient_name, UNDEFINED);
   strcpy(pPar->exam_name, UNDEFINED);